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foliation

American  
[foh-lee-ey-shuhn] / ˌfoʊ liˈeɪ ʃən /

noun

  1. the act or process of putting forth leaves.

  2. the state of being in leaf.

  3. Botany.

    1. the arrangement of leaves within a bud.

    2. the arrangement of leaves on a plant.

  4. leaves or foliage.

  5. Printing. the consecutive numbering of the folios or leaves, as distinguished from pages, of a manuscript or book.

  6. the total number of such leaves.

  7. Petrology. a form of lamination produced in rocks by metamorphism.

  8. ornamentation with foliage, or an arrangement of foliage.

  9. Architecture.

    1. ornamentation with foils.

    2. ornamentation with representations of foliage.

  10. formation into thin sheets.

  11. the application of foil to glass to make a mirror.


foliation British  
/ ˌfəʊlɪˈeɪʃən /

noun

  1. botany

    1. the process of producing leaves

    2. the state of being in leaf

    3. the arrangement of leaves in a leaf bud; vernation

  2. architect

    1. ornamentation consisting of foliage

    2. ornamentation consisting of cusps and foils

  3. any decoration with foliage

  4. the consecutive numbering of the leaves of a book

  5. geology the arrangement of the constituents of a rock in leaflike layers, as in schists

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

foliation Scientific  
/ fō′lē-āshən /
  1. The set of layers visible in many metamorphic rocks as a result of the flattening and stretching of mineral grains during metamorphism.


Other Word Forms

Derived Forms

Etymology

Origin of foliation

First recorded in 1615–25; foliate + -ion

Vocabulary lists containing foliation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Linear crystals, such as hornblende, tourmaline, or stretched quartz grains, can be arranged as part of a foliation, a lineation, or foliation/lineation together.

From Textbooks • Jan. 1, 2017

In a manner like the Gros Ventre slide, foliation planes of weakness in metamorphic rock outcrops were parallel with the surface, compromising shear strength.

From Textbooks • Jan. 1, 2017

In fact, original sedimentary layering may be partially or completely obscured by the foliation.

From Textbooks • Jan. 1, 2017

Schistosity is a textural description of foliation created by the parallel alignment of platy visible grains.

From Textbooks • Jan. 1, 2017

But the element of foliation must enter somewhere, or the style is imperfect.

From The Stones of Venice, Volume II (of 3), by Ruskin, John

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